3CXPhone is a free VoIP phone available for Windows, iPhone or any Android based smart phone such as Google Nexus, Sony Xperia, Motorola Droid or Samsung Galaxy. Connect 3CXPhone to a VoIP provider or to a VoIP PBX (for example 3CX Phone System) to make calls to any VoIP, mobile or landline number.

Use popular VoIP providers and SIP trunks for low cost callingUse popular IP Phones (Polycom, Grandstream, Yealink, Cisco & others) or SoftphonesKeep using your old telephone lines with the use of VoIP gatewaysRuns on Microsoft Windows - no need to dedicate a PC or learn Linux! Eliminate phone wiringIncludes enterprise phone system features such as voicemail, auto attendant, unified communications and more3CX Phone System FREE edition is a fully functional product - it supports an unlimited number of extensions and does NOT time out. It is supported only via the 3CX Forums....More Info »

The most advanced interface for managing Asterisk PBX with Multitenant and Realtime capabilities

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Alternatives to 3CX Phone System for Windows, Linux, Mac, Web / Cloud, Android and more. Filter by license to discover only free or Open Source alternatives. This list contains a total of 26 apps similar to Dropbox.

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